文档介绍：非谓语动词探究式复****br/>英语语法是英语学****的根底，分开了它，所谓的语言才能无异于空中楼阁。语言学家有句名言：没有语法只能传达很少的信息。因为词汇只是一个个孤立的组成部分，没有语法的词汇就如没有树干和树枝的树叶,,学 English. （， Senior Book2B）
学生活动:说出非谓语在句子中做的成分.
The news that the Chinese team won the gold medal was very encouraging。（, Senior Book 2B)
句中的如今分词encouraging充当什么成分？
The people performing all play different instrument。 （, Senior Book2B）
Polluted rivers and lakes have also been a cause of death. (P。52， Senior Book2A）
如今分词performing作什么成分，修饰那个词； 过去分词
polluted作做什么成分？修饰？
So he left France, preferring to give up the fortune that would one day come to him， and went to live in English. (P。57, Senior Book2B)
如今分词短语作什么成分，表示什么？
意图：唤起学生注意力，并导入本堂课的学****非谓语动词的考点复****和应用，并让学生理解非谓语动词的用法，同时让学生明确本课学****目的。
Step 2小组活动（每小组完成各自任务）
Task1。第一小组答复以下问题并翻译句子。并作总结归纳。
设计意图：弄清楚非谓语动词在句中充当的成分学生自己发现问题,激发学生学****主动性，在小组内讨论完成，通过讨论加深对非谓语动词知识的稳固和掌握。
Task 2。 观察以下句子填空并总结(第二组完成）
1 ________(look） after children is her job.
2 _________（clean） the classroom is our job today.
3_________（teach） you English is my job。
4 _________（create） Central Park was a wonderful idea.
结论:不定式和v—ing在句中充当主语时，表****惯性、经常性行为多用v-ing，而表示一次性详细行为时多用动词不定式。
It was a wonderful idea to create Central Park.
It is not hard for one to do a bit of good.
It is unwise of him to go there alone。
It is kind of him to repair my bike
得出结论：It is + adj./n。 + to do sth。
It is + adj。 +for sb to do sth。
It is + adj。 + of sb to do sth.
It is no good doing sth。
It is no use doing sth。
It is useless doing sth。
It is a waste of time/money doing sth。
结论：在某些句型中，it 作形式主语，ving 作真主语
Task 3。观察以下划横线的部分在句子中充当什么成分，并总结规律（第三组完成）
They refuse to give up their own customs and way of life.
I don’t care to play football ; I’d rather go for a walk.
After a short while he started directing films h mouse。 (P. imself.
Disney stopped drawing
Scores of people went there in the first few days after its opening. (, Senior Book 1B ）
The money spent on educating a black child was just one fourth of that spent on ea